Question

Find the missing length of the triangle.
20 km
21 km
WHAT IS “C” PLEASE HELP

Answer 1

C= 29 km

Step-by-step explanation:

Answer 2

C=29

Step-by-step explanation:

a^2 + b^2 = c^2

21^2 + 20^2 = c^2

441 + 400 = c^2

841 = c^2

\sqrt(841) = \squrt(c^2)

29 = c